Fix english on the edit user form.

Signed-off-by: NPat Thoyts <patthoyts@users.sourceforge.net>

Controllers refactoring with contexts
Move commit compare logic to model

Fixing MySQL syntax error

show flash notice after deletion of a project

Improve handling of misconfigured LDAP accounts.

Gitlab requires an email address for all user accounts as this is the
default account id and is used for sending notifications. LDAP accounts
may be missing email fields so handle this by showing a sensible error
message before redirecting to the login screen again.

Resolves github issue #899
Signed-off-by: NPat Thoyts <patthoyts@users.sourceforge.net>

The gitlab.pub file probably shouldn't be world readable, but let's star...

Clarify the nginx configuration.

Add step to make sure tmp directory exists in /home/gitlab/gitlab/

Updated libreadline in docs.

Add step to make sure tmp directory exists in /home/gitlab/gitlab/ (since the step Setup DB fails if it doesn't. see issue #1038 for more detials.